发明名称 Use indicator
摘要 The present invention relates to a use indicator apparatus having a power-sensing mechanism and an indicator. The indicator includes a first state and a second state wherein the indicator is maintained in the first state until a required amount of power is applied to the sensing mechanism. Upon reaching the required amount of power, indicator switches from the first state to the second state.
申请公布号 US2006033632(A1) 申请公布日期 2006.02.16
申请号 US20040919087 申请日期 2004.08.16
申请人 OREMAN GARY 发明人 OREMAN GARY
分类号 G08B21/00;G08B3/00;G08B23/00 主分类号 G08B21/00
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